Michael K. Grimm, 62

Director, Energy Transfer Partners LP

Mr. Michael K. Grimm is Chairman at RSP Permian LLC, Chairman at RSP Permian, Inc., a Member at American Association of Professional Landmen, a Member at Dallas Producers Club, a Member at Dallas Wildcat Committee, a Member at Fort Worth Wildcatters, a Member at Houston Producers Forum and a Member at Independent Petroleum Association of America. He is on the Board of Directors at Rising Star Energy Development Co. LLC, Energy Transfer Partners LLC, Energy Transfer Partners GP LP, Energy Transfer Partners LP, Rising Star Petroleum LLC and Energy Transfer LP.

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